CM690 mau kaola poʻe kila ʻōwili wela

Papa CM690, He aha ka Hui Kemika o GB CM690 GB/T 18669? ʻO ka Hui Kimia o CM690 Steel, CM690 mea kila, CM690 carbon Steel, GB mea hoʻolako kila ma Iapana, GB kila pepa Mea kūʻai aku, GB kila Kumu kūʻai, GB Equivalent kila, GB mea hoʻolako kila ma Kina, GB kila Pākē pae like, GB CM690 GB /T 18669 kila Specifications

ʻO ka ikaika o ka hoʻoulu ʻana ʻo ia ka palena hua o GB CM690 GB/T 18669 i ka wā e hāʻawi ai, ʻo ia hoʻi, ke koʻikoʻi e pale ana i ka micro-plastic deformation. ʻO ka ikaika o waho i ʻoi aku ka ikaika ma mua o ka ikaika e hoʻohua ai i nā ʻāpana GB CM690 GB/T 18669 mau ʻole a hiki ʻole ke hoʻōla hou. Ma lalo o kēia, e hoʻi nā ʻāpana GB CM690 GB/T 18669 i ko lākou ʻano kumu.
ʻO ka ikaika tensile ka waiwai koʻikoʻi o ka hoʻololi ʻana mai ka hoʻololi ʻana i ka plastic plastic deformation i ka deformation plastic concentrated kūloko. ʻO ia hoʻi ka hiki ke lawe haʻahaʻa kiʻekiʻe loa o GB CM690 GB/T 18669 ma lalo o ka haʻalulu paʻa. ʻO ka ikaika tensile ke kūpaʻa e hōʻike ana i ka deformation plastic ʻaʻahu kiʻekiʻe loa o GB CM690 GB/T 18669. ʻO ka hoʻololi ʻana o nā specimens tensile he kūlike ma mua o ka lawe ʻana i ke koʻikoʻi tensile kiʻekiʻe, akā ma waho o kēlā, ʻo ka GB CM690 GB/T 18669 hoʻomaka i ka ʻāʻī, i.e. concentrate deformation.

Hāʻawi Rp0.2 (MPa)	Kuʻi Rm (MPa)	Ka hopena KV/Ku (J)	ʻO ka lōʻihi A (%)	Hoemi i ka pauku kea ma ka haki Z (%)	Kūlana-Hoʻomaʻamaʻa ʻia me ka wela	ʻO ka paʻakikī Brinell (HBW)
812 (≥)	174 (≥)	22	32	33	Hoʻonā a me ka ʻelemakule, Annealing, Ausaging, Q + T, etc	344

GB CM690 GB/T 18669 Kino

ʻO nā waiwai kino o GB CM690 GB/T 18669 e uhi nui i ka modulus o ka elasticity, coefficient of thermal expansion, thermal conductivity, specific thermal capacity, electric resistance value, density, poisson's ratio, etc.

Mahana (°C)	Modulus o ka elasticity (GPa)	Mean coefficient o ka hoonui wela 10-6/(°C) ma waena o 20(°C) a me	ʻO ke kau wela wela (W/m·°C)	Ka mana wela kūikawā (J/kg·°C)	Kū'ē uila kūikawā (Ω mm²/m)	ʻO ka mānoanoa (kg/dm³)	ʻO ke koena o Poisson, ν
31	-	-			0.41	-
834	386	-	24.3	231		-
671	-	43	14.2			244	213